LG D337 - Page 143

- 143 -
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
6. CIRCUIT DIAGRAM
2.2uC1609
1
2
2.2uC1613
1
2
1nC1610
1
2
1nC1612
1
2
PGND
VCC1VCC2
RFINRFOUT
VMODE_1CPL_IN
VMODE_0GND
VENCPL_OUT
SKY77761
EAN62687101
U1602
6 5
7 4
8 3
9 2
10 1
11
R1602
TOL=0.01
27
2
1
27
R1601
TOL=0.01
2
1
36
R1603
2
1
100p
C1659
1
2
100p
C1623
1
2
100p
C1624
1
2
+2V8_MTK_VTCXO
DNIL1633
2
1
C1656
100p
1
2
C1640
100p
1
2
L1604 DNI
2
1
C1600 33p
1
2
L1607
DNI
2
1
L1602 DNI
2
1
L1617 DNI
2
1
DNIC1611
DNIL1606
DNIL1625
2
1
DNIC1637
1
2
VBAT
+3V4_MTK_VPA
+3V4_MTK_VPA
C1604
1n
1
2
C1636 DNI
1
2
VBAT
C1641
100p
1
2
C1635 6.8n
2
1
C1652 33p
1
2
33p
C1651
1
2
DNI
L1645
2
1
DNIL1609
2
1
33pC1657
1
2
C1606 33p
1
2
L1642 DNI
2
1
33p
C1658
1
2
RFIN_LB
GND1
VEN_LB
RFOUT_HB
CPL_OUT
VBATT
VEN_HB
VCC
RFIN_HB
VMODE
NCCPL_IN
RFOUT_LB
GND2
PGND
U1600
EAN62796101
SKY77758
15
13
14
10 5
6
4
12
7
3
8
11
1
9
2
VDDRF1
CTRL
GND
RF2
RFIN
U1601
EAM63050001
BGS12PL6
INFINEON
5
1
2
6
3 4
R1607
49.9
TOL=0.01
21
C1660
100p
1
2
2.2u
C1629
1
2
C1607
100p
1
2
1nC1628
1
2
ANT RX1
TX
GND1
GND5GND2
RX2
GND3 GND4
FL1606
EAM62732301
SFXG50UZ502
WISOL
75
8
4 9
2
3
16
ANT RX1
TX
GND1
GND5GND2
RX2
GND3 GND4
FL1602
EAM62571201
SAYRF1G88HA0F0A
MURATA
75
8
4 9
2
3
16
ANT RX1
TX
GND1
GND5GND2
RX2
GND3 GND4
EAM62792701
FL1600
SFX836UZ102
WISOL
75
8
4 9
2
3
16
ANT
GND2
RX_OUT2
GND1
RX_OUT1
TX_IN
GND4
GND3 GND5
WISOL
SFX897TZ102
EAM62955301
FL1604
95
7
3
1
2
8
4
6
L1636 DNI
2
1
22pC1646
1
2
PDET_IN
3G_TX_LB
3G_TX_HB_1
3G_TX_HB_2
TX_MODULE_TRX3
TX_MODULE_TRX2
TX_MODULE_TRX1
TX_MODULE_TRX4
3G_RX_B2_N
3G_RX_B8_N
3G_RX_B8_P
3G_RX_B2_P
3G_RX_B1_N
3G_RX_B1_P
3G_RX_B5_P
3G_RX_B5_N
PA_MODE_SEL_0
PA_MODE_SEL_0
3G_LB_TX_SW
PA_MODE_SEL_1
3G_PA_LB_EN
3G_PA_B1_EN
3G_PA_B2_EN
If Single PA is NC, C1636=0ohm
10dB Atten.
0.2mm
0.6mm
B5/8
B1
B2
B1
B8 TRX
B1 TRX
B8
Rev_0.3
< 1-4-3-4_TRX_B1_B2_B5_B8_Quad band >
B2 TRX
B5 TRX
B2
B5
B5/B8
L1640
2
1
DNI
C1649
2
1
1N
L1641
2
1
1.5N
Size changed to 0603(B,0519)
Size changed to 0603(B,0519)
C1634
1
2
12P
L1627
2
1
DNI
L1638
2
1
12N
12N
1
2
L1629
DNIL1634
2
1
L1630
2
1
DNI
L1632
1
2
0.75P
L1605
2
1
5.1N
1
2
DNIL1601
L1600
2
1
15N
15N
1
2
L1603
C1602
2
1
3.3N
C1605
2
1
1.8N
L1631
2
1
2.7N
C1632
1
2
4.7P
C1642
1
2
4.7P
L1618
2
1
3.3N
L1613
2
1
DNI
L1610
2
1
2.2N
2.2N
1
2
L1615
L1643
1
2
1.2P
L1644
1
2
1P
C1650
2
1
2.7N
C1616
2
1
3.3n
L1611
2
1
7.5n
L1614
2
1
7.5n
L1619
2
1
5.6n
L1620
2
1
5.6n
C1618
1
2
1.8p
L1628
2
1
4.7n